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发明名称
摘要
申请公布号
JPS4959032(A)
申请公布日期
1974.06.07
申请号
JP19730093391
申请日期
1973.08.22
申请人
发明人
分类号
B22C1/10;B22C1/02;B22C1/22;B22C9/02;B22C9/10
主分类号
B22C1/10
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代理人
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